Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Piemontite from
Cassagna Mine, Ne, Genoa, Liguria, Italy


04780400017370225043249.jpg
Piemontite

Cassagna Mine, Ne, Genoa, Liguria, Italy
04780400017370225043249.jpg
Piemontite

Cassagna Mine, Ne, Genoa, Liguria, Italy
05202910017272026532684.jpg
Piemontite

Cassagna Mine, Ne, Genoa, Liguria, Italy
Locality type:Mine
Classification
Species:Piemontite
Formula:(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz1
Cassagnaite1
Data
Mineral Data:Click here to view Piemontite data
Locality Data:Click here to view Cassagna Mine, Ne, Genoa, Liguria, Italy
Data Identifiers
Mindat Occurrence Record ID:433792
Long-form Identifier:1:3:433792:8
GUID (UUID V4):0
Nearest other occurrences of Piemontite
1.7km (1.0 miles) ⓘMolinello Mine, Ne, Genoa, Liguria, Italy
2.3km (1.5 miles) ⓘScrava Mine (Statale Mine), Statale, Ne, Genoa, Liguria, Italy
3.3km (2.1 miles) ⓘGambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
4.6km (2.9 miles) ⓘMonte Alpe Mine, Monte Alpe, Maissana, La Spezia Province, Liguria, Italy
24.0km (14.9 miles) ⓘCerchiara Mine, Borghetto di Vara, La Spezia Province, Liguria, Italy
53.8km (33.4 miles) ⓘCase Scotti, Varenna Valley, Genoa, Genoa, Liguria, Italy
66.4km (41.3 miles) ⓘArnetola Valley, Vagli Sotto, Lucca Province, Tuscany, Italy
67.5km (41.9 miles) ⓘCastagnola, Vagli Sotto, Lucca Province, Tuscany, Italy
67.5km (42.0 miles) ⓘEremo di San Viano, Vagli Sotto, Lucca Province, Tuscany, Italy
73.3km (45.5 miles) ⓘMount Corchia, Stazzema, Lucca Province, Tuscany, Italy
References
Redazionale (2005): Sistematica ligure: resoconto 2005. Notiziario di Mineralogia del Ferrania Club, 19 , 3-5.
 
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